[Oberon] Color: Was Re: Oberon-specific Spartan-6 FPGA board

[Jörg Straube]

The limitation is within the Oberon system. Module Display and the Verilig code VID would have to be changed. And the heap and stack limits to be adjusted.

Jörg

> Am 16.05.2015 um 02:44 schrieb Douglas G. Danforth <danforth at greenwoodfarm.com>:
> 
> Naive question.
> Is color display supported by such boards?
> Or is it within the Oberon system that limits the display to b/w?
> -Doug Danforth
> 
>> On 5/15/2015 4:18 PM, Chris Burrows wrote:
>> The Saanlima RISC FPGA Oberon development system I was referring to uses a
>> *Spartan-6* and has up to 2MB of SRAM. Project Oberon 2013 has *already*
>> been ported to it.
>> 
>> Currently it is a two-board system - a general purpose FPGA board with an
>> add-on board ('wing') for Oberon's keyboard, mouse and SRAM.
>> 
>> http://www.saanlima.com/store/
>> 
>> The proposal currently up for discussion is to suggest requirements for a
>> simpler single-board system.
>> 
>> Chris
>> 
>>> -----Original Message-----
>>> From: Frans-Pieter Vonck [mailto:fp at vonck.nl]
>>> Sent: Saturday, 16 May 2015 1:57 AM
>>> To: ETH Oberon and related systems
>>> Subject: Re: [Oberon] Oberon-specific Spartan-6 FPGA board
>>> 
>>> I think that the spartan-3 family with sram is no longer produced.
>>> I found this company microsemi that seems to have a low level fpga
>>> that supports sram, the igloo2
>>> 
>>> http://www.microsemi.com/products/fpga-soc/fpga/igloo2-fpga
>>> 
>>> Greets,
>>> F.P.
>>> 
>>>> Chris
>>>> 
>>>> Agree. SRAM is important. HDMI could be optional if we are able to
>>>> take a cheaper FPGA (because of reduced speed requirements --> VGA:
>>> 75 MHz, HDMI:
>>>> 750 MHz)
>>>> 
>>>> Some free pins, being able to add Ethernet later on, e.g. the
>>> WIZnet
>>>> WIZ550io (W5500)
>>>> 
>>>> br
>>>> Jörg
>>>> 
>>>> -----Original Message-----
>>>> From: Chris Burrows [mailto:chris at cfbsoftware.com]
>>>> Sent: Freitag, 15. Mai 2015 15:47
>>>> To: ETH Oberon and related systems
>>>> Subject: [Oberon] Oberon-specific Spartan-6 FPGA board
>>>> 
>>>> Magnus Karlsson (the guy from Saanlima electronics who designed the
>>>> Pipistrello + Oberon Wing (2MB of SRAM) Spartan-6 Oberon developmnt
>>>> board) is asking for feedback on a proposed Oberon-specific
>>> Spartan-6
>>>> FPGA board as
>>>> follows:
>>>> 
>>>> -------------------------------------------------------------------
>>> ---
>>>> --
>>>> Oberon-specific FPGA board:
>>>> 
>>>> The Pipistrello is way overkill for this, it would be much cheaper
>>> to
>>>> make a new board with all the features needed but not more. This
>>> would
>>>> be straight-forward to do but it would be nice to have a list of
>>>> things on this board and not just copy the featues of the Digilent
>>>> Spartan-3 board.
>>>> 
>>>> I was thinking the following connectors on the back: KBD, Mouse,
>>> HDMI,
>>>> VGA, USB, Power And the following on the front: Power on/off
>>> switch,
>>>> power LED, full-size SD card, 8 LED, 8 dip-switches.
>>>> 
>>>> -------------------------------------------------------------------
>>> ---
>>>> --
>>>> 
>>>> If you have any suggestions you can reply to his message on the
>>>> Saanlima
>>>> forum:
>>>> 
>>>> http://saanlima.com/forum/viewtopic.php?f=4&t=1246&start=10#p1488
>>>> 
>>>> Regards,
>>>> Chris
>>>> 
>>>> Chris Burrows
>>>> CFB Software
>>>> http://www.cfbsoftware.com
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> --
>>>> Oberon at lists.inf.ethz.ch mailing list for ETH Oberon and related
>>>> systems https://lists.inf.ethz.ch/mailman/listinfo/oberon
>>>> --
>>>> Oberon at lists.inf.ethz.ch mailing list for ETH Oberon and related
>>>> systems https://lists.inf.ethz.ch/mailman/listinfo/oberon
>>>> 
>>> 
>>> 
>>> --
>>> Oberon at lists.inf.ethz.ch mailing list for ETH Oberon and related
>>> systems https://lists.inf.ethz.ch/mailman/listinfo/oberon
>> 
>> --
>> Oberon at lists.inf.ethz.ch mailing list for ETH Oberon and related systems
>> https://lists.inf.ethz.ch/mailman/listinfo/oberon
>> 
> 
> 
> --
> Oberon at lists.inf.ethz.ch mailing list for ETH Oberon and related systems
> https://lists.inf.ethz.ch/mailman/listinfo/oberon
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